STK22C48-NF25ITR Cypress Semiconductor Corp, STK22C48-NF25ITR Datasheet - Page 2

• Manufacturer Part Number: STK22C48-NF25ITR
• Description: STK22C48-NF25ITR
• Manufacturer: Cypress Semiconductor Corp
• Type: NVSRAMr

Specifications of STK22C48-NF25ITR

• Format - Memory: RAM
• Memory Type: NVSRAM (Non-Volatile SRAM)
• Memory Size: 16K (2K x 8)
• Speed: 25ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-SOIC (7.5mm Width)
• Word Size: 8b
• Organization: 2Kx8
• Density: 16Kb
• Interface Type: Parallel
• Access Time (max): 25ns
• Operating Supply Voltage (typ): 5V
• Package Type: SOIC
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4.5V
• Operating Temp Range: -40C to 85C
• Pin Count: 28
• Mounting: Surface Mount
• Supply Current: 90mA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Contents
Pin Configurations ........................................................... 3
Device Operation .............................................................. 4
SRAM Read ....................................................................... 4
SRAM Write ....................................................................... 4
AutoStore Operation ........................................................ 4
AutoStore Inhibit mode .................................................... 4
Hardware STORE (HSB) Operation ................................. 5
Hardware RECALL (Power Up) ........................................ 5
Data Protection ................................................................. 5
Noise Considerations....................................................... 5
Hardware Protect.............................................................. 5
Low Average Active Power.............................................. 5
Preventing Store............................................................... 6
Best Practices................................................................... 6
Maximum Ratings ............................................................. 7
Operating Range ............................................................... 7
DC Electrical Characteristics .......................................... 7
Data Retention and Endurance ....................................... 7
Capacitance ...................................................................... 8
Thermal Resistance .......................................................... 8
Document Number: 001-51000 Rev. *D
AC Test Conditions .......................................................... 8
AC Switching Characteristics ......................................... 9
Switching Waveforms ...................................................... 9
AutoStore or Power Up RECALL .................................. 11
Switching Waveform ...................................................... 11
Hardware STORE Cycle ................................................. 12
Switching Waveform ...................................................... 12
Ordering Information ...................................................... 13
Package Diagrams .......................................................... 14
Document Conventions ................................................. 15
Document History Page ................................................. 16
Sales, Solutions, and Legal Information ...................... 17
SRAM Read Cycle ...................................................... 9
SRAM Write Cycle ..................................................... 10
Ordering Code Definitions ......................................... 13
Acronyms ................................................................. 15
Units of Measure ....................................................... 15
Worldwide Sales and Design Support ....................... 17
Products .................................................................... 17
PSoC Solutions ......................................................... 17
STK22C48
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